Add a statistic moValueStat: to a moStat from a eoValueParam

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2045 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-mo/src/continuator/moValueStat.h

@@ -0,0 +1,84 @@
+/*
+  <moValueStat.h>
+  Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
+
+  Sébastien Verel, Arnaud Liefooghe, Jérémie Humeau
+
+  This software is governed by the CeCILL license under French law and
+  abiding by the rules of distribution of free software.  You can  use,
+  modify and/ or redistribute the software under the terms of the CeCILL
+  license as circulated by CEA, CNRS and INRIA at the following URL
+  "http://www.cecill.info".
+
+  As a counterpart to the access to the source code and  rights to copy,
+  modify and redistribute granted by the license, users are provided only
+  with a limited warranty  and the software's author,  the holder of the
+  economic rights,  and the successive licensors  have only  limited liability.
+
+  In this respect, the user's attention is drawn to the risks associated
+  with loading,  using,  modifying and/or developing or reproducing the
+  software by the user in light of its specific status of free software,
+  that may mean  that it is complicated to manipulate,  and  that  also
+  therefore means  that it is reserved for developers  and  experienced
+  professionals having in-depth computer knowledge. Users are therefore
+  encouraged to load and test the software's suitability as regards their
+  requirements in conditions enabling the security of their systems and/or
+  data to be ensured and,  more generally, to use and operate it in the
+  same conditions as regards security.
+  The fact that you are presently reading this means that you have had
+  knowledge of the CeCILL license and that you accept its terms.
+
+  ParadisEO WebSite : http://paradiseo.gforge.inria.fr
+  Contact: paradiseo-help@lists.gforge.inria.fr
+*/
+
+#ifndef moValueStat_h
+#define moValueStat_h
+
+#include <continuator/moStat.h>
+#include <utils/eoParam.h>
+
+/**
+ * The statistic gives the number of iteration
+ */
+template <class EOT, class ValueType>
+class moValueStat : public moStat<EOT, double>
+{
+public :
+    using moStat< EOT, double>::value;
+
+    /**
+     * Default Constructor
+     */
+  moValueStat(eoValueParam<ValueType> & _valueParam): moStat<EOT, double>(0, "value"), valueParam(_valueParam) {
+  }
+
+    /**
+     * Init the number of iteration
+     * @param _sol a solution
+     */
+    virtual void init(EOT & _sol) {
+      value() = (double) valueParam.value();
+    }
+
+    /**
+     * Set the number of iteration
+     * @param _sol a solution
+     */
+    virtual void operator()(EOT & _sol) {
+      value() = (double) valueParam.value() ;
+    }
+
+    /**
+     * @return name of the class
+     */
+    virtual std::string className(void) const {
+        return "moValueStat";
+    }
+
+private:
+  eoValueParam<ValueType> & valueParam;
+
+};
+
+#endif